Please answer this correctly
Is the answer
Blue marble
Pink marble
Yellow marble or
The red marble

The solution to the quadratic equation -2x² - 16x - 44 = 0 are [tex]x = -4 -4\sqrt{6}i \ and \ x = -4 +4\sqrt{6}i[/tex]

Given the quadratic equation in the question:

-2x² - 16x - 44 = 0

To solve the quadratic equation -2x² - 16x - 44 = 0, we use the quadratic formula:

[tex]x = \frac{-b\±\sqrt{b^2 - 4ac} }{2a}[/tex]

From the equation:

a = -2, b = 16, c = -44

Plug these values into the above:

[tex]x = \frac{-b\±\sqrt{b^2 - 4ac} }{2a} \\\\x = \frac{-(-16)\±\sqrt{(-16)^2 - 4(-2)(-44)} }{2(-2)} \\\\x = \frac{16\±\sqrt{256 - 352} }{-4} \\\\x = \frac{16\±\sqrt{-96} }{-4} \\\\x = \frac{16\±4\sqrt{6}i }{-4} \\\\x = -4 \±4\sqrt{6}i\\\\x = -4 -4\sqrt{6}i \ or \ x = -4 +4\sqrt{6}i[/tex]

Therefore, the values of x are [tex]x = -4 -4\sqrt{6}i \ and \ x = -4 +4\sqrt{6}i[/tex]

Answer:

3x^3 + 3x^2 − 30x − 48

Step-by-step explanation:

3( x + 2 )( x^2 − x − 8 )

= ( 3( x + 2 ))( x^2 + − x + − 8 )

= ( 3( x + 2 ))( x^2 ) + ( 3( x + 2 ))( −x ) + ( 3( x + 2 ))( −8 )

= 3x^3 + 6x^2 − 3x^2 − 6x − 24x − 48

3x^3 + 3x^2 − 30x − 48

Answer:

The correct option is A) [tex]3x^3+3x^2-30x-48[/tex]

Step-by-step explanation:

Consider the provided expression.

[tex]3\left(x+2\right)\left(x^2-x-8\right)[/tex]

Distribute 3 as shown

[tex]\left(3x+6\right)\left(x^2-x-8\right)[/tex]

Distribute parentheses as shown.

[tex]3xx^2+3x\left(-x\right)+3x\left(-8\right)+6x^2+6\left(-x\right)+6\left(-8\right)[/tex]

[tex]3x^2x-3xx-3\cdot \:8x+6x^2-6x-6\cdot \:8[/tex]

[tex]3x^3-3x^2-24x+6x^2-6x-48[/tex]

Add and subtract like terms

[tex]3x^3+3x^2-30x-48[/tex]

Hence, the correct option is A) [tex]3x^3+3x^2-30x-48[/tex]

Answer:

a) Order: 0.947 < 0.97 < 1.268 < 1.5

b)Smallest total rainfall = 0.947 meters in Ithaca

c)  100 years total rainfall = [tex]126.8 \text{ meters} = 1.268\times 10^2[/tex]

Step-by-step explanation:

We are given the following data in the question:

                  City:  Rochester    Ithaca    Sara-Toga     New-York

Rainfall(meters):     0.97            0.947          1.5             1.268

a)  Order:

0.947 < 0.97 < 1.268 < 1.5

Ithaca < Rochester < New-York < Sara-Toga

Smallest total rainfall = 0.947 meters in Ithaca

Expanded form: [tex]0.947 = 9\times \frac{1}{10} + 4\times\frac{1}{100} + 7\times \frac{1}{1000}[/tex]

Word form:  seven thousandths and ninety four hundredths.

b) Round off to nearest tenths

 Rochester - 1.0 meters

Ithaca - 0.9 meters  

Sara-Toga - 1.5 meters  

New-York - 1.3 meters

c) [tex]\text{Rainfall in 100 years} = \text{Annual rainfall}\times 100 = 1.268\times 100 = 126.8 \text{ meters}[/tex]

d) 100 years total rainfall = [tex]126.8\text{ meters} = 1.268\times 10^2 = 0.1268\times 10^3[/tex]

The points shifted because we have to multiply 1.268 by 100. This would again result in shifting the point towards right.

Final answer:

The rainfall totals ordered from least to greatest are Ithaca, Rochester, New York City, Saratoga Springs. Rounded to the nearest tenth, New York City would receive 126.8 meters of rain in 100 years, represented as 1.268 x 10^2 with the base ten exponent indicating multiplication by 100.

Explanation:

Ordering Rainfall Totals and Mathematical Operations

To answer the student's question regarding the average annual rainfall totals for cities in New York:

Ordering from least to greatest: Ithaca (0.947 meters), Rochester (0.97 meters), New York City (1.268 meters), Saratoga Springs (1.5 meters). The smallest total rainfall (Ithaca) in word form is nine hundred forty-seven thousandths and in expanded form is 0.9 + 0.04 + 0.007.

Rounding to the nearest tenth: Rochester (1.0 meters), Ithaca (0.9 meters), New York City (1.3 meters), Saratoga Springs (1.5 meters).

Rainfall in 100 years: New York City's rainfall of 1.268 meters every year would result in 126.8 meters of rain in 100 years.

Equation with exponent: The equation to express the total 100-year rainfall for New York City is 1.268 meters x 100 years. Using an exponent, this is written as 1.268 x 102. The digits shift two places to the left because the base ten exponent indicates the value should be multiplied by 100.

The figures above are based on the provided data and standard mathematical operations such as ordering, rounding, and multiplication with exponents.

Answer: 67

Step-by-step explanation:

I think this could be solved using division. 1000 / 15 is 66.66666, but I would round that to 67.

$300*e^(0.09*3) = $392.99.

the answer is $392.99

Answer: 0.86 0.875 0.9

Step-by-step explanation: 7/8 is 8.75 in decimal form, so above would be the answer from least to greatest.

Answer: 0.86, 7/8, 0.9 is least to greatest

Step-by-step explanation:

Answer:

12

Step-by-step explanation:

8 + w/4

w = 16

8 + 16/4

16/4 = 4

8 + 4

8 + 4 = 12

12

Hey!

------------------------------------------------

Steps To Solve:

~Substitute

= 8 + 16/4

~Solve using PEMDAS

= 8 + 4

= 12

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Answer:

[tex]\large\boxed{12}[/tex]

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Hope This Helped! Good Luck!

Answer:

(10)^2/(-2)^2 = 100/4= 25

the answer is d

Answer:

The solution to the system is S= (-2, -4).

Step-by-step explanation:

Given the system

−4x+5y=−12

x−6y=22

The first step is to solve x from the first equation for example, and substitute the expression in the second equation.

1) -4x + 5 y = -12 ⇒ -4x = -12 - 5y ⇒ x = (-12 - 5y)/-4 ⇒ x = 3 + (5/4)y

2) x - 6y = 22 ⇒ (3 + (5/4)y) - 6y = 22 ⇒ 3 + (5/4)y - 6y = 22

⇒ 3 - (19/4)y = 22 ⇒ (-19/4)y = 22- 3 ⇒ y = 19/(-19/4) ⇒ y =-4.

Finally, with the value obtained for "y", you have to return to the original equations and replace it to obtain the "x" value.

-4x + 5y = -12 ⇒ -4x + 5(-4) = -12 ⇒ -4x - 20 = -12 ⇒ -4x = -12 + 20

⇒ -4x = 8 ⇒ x = 8/-4 ⇒ x = -2.

Summarizing, the solution to this system is S = (-2, -4).

Answer:

-4 = y

Step-by-step explanation:

3(6+5y)=2(-5+4y)

18 + 15y = -10 + 8y

+10             +10

28 + 15y = 8y

      - 15y     -15y

 28 = - 7y

28/-7 = -4

-7y/-7 = y

Answer:

y = -4

Step-by-step explanation:

distribute both 3 and 2 through the parenthesis, move the variable to the left side and change its sign, move constant to the right side and change its sign, collect like terms, calculate the difference, divide both sides of the equation by 7, and your answer would be -4

Answer:

(x - 6)(x + 3)

Step-by-step explanation:

Given

x² - 6x + 3x - 18 ( factor the first/second and third/fourth terms )

= x(x - 6) + 3(x - 6) ← factor out (x - 6) from each term

= (x - 6)(x + 3)

Answer:

x-13y

Step-by-step explanation:

Combine like terms and when you do x is by itself and you have 13 y

making the answer x-13y

Answer:

none of the above

Step-by-step explanation:

Answer:

[tex]2\frac{1}{2}[/tex] yards.

Step-by-step explanation:

Please find the attachment.  

We have been given that Marisela cut four equivalent lengths of ribbon. Each was 5 eighths of a yard long.    

To find yards of ribbon cut by Marisela, we will multiply 4 by 5 eighths of a yard (5/8).

[tex]\text{Total ribbon cut by Marisela}=4\times \frac{5}{8}[/tex]

[tex]\text{Total ribbon cut by Marisela}=\frac{4\times 5}{8}[/tex]

[tex]\text{Total ribbon cut by Marisela}=\frac{20}{8}[/tex]

Express answer as the sum of whole number and the remaining fractional units:

[tex]\text{Total ribbon cut by Marisela}=\frac{16+4}{8}[/tex]

[tex]\text{Total ribbon cut by Marisela}=\frac{16}{8}+\frac{4}{8}[/tex]

[tex]\text{Total ribbon cut by Marisela}=2+\frac{4}{8}[/tex]

[tex]\text{Total ribbon cut by Marisela}=2\frac{4}{8}[/tex]

Therefore, Marisela cut [tex]2\frac{4}{8}[/tex] yards of ribbon.  

Answer:

CUCUMBER

Step-by-step explanation:

Answer:

we know that

By alternate interior angles

m∠PRD=m∠APR -------> equation

m∠PRD=120°

so

m∠APR=120°

m∠APR=m∠APQ+m∠QPR ---------> equation

m∠APQ=62°

m∠QPR=x°

Substitute the values in the equation 120=62+x

x=120-62

x=53

therefore

the answer is

The measure of angle x is equal to 53 degrees

Because the lines are parallel the lower outside angle given as 155 is equal to the opposite angle, which is made up of X and 62.

To find X subtract 62 from 115:

X = 115 - 62

X = 53

To convert 7.66 x 10^6 km^2 to standard form, shift the decimal point six places to the right to get 7,660,000 km^2.

To write 7.66 x 106 km2 in standard form, you will need to move the decimal place to the right six times, because the exponent on the 10 indicates how many places to move the decimal point. Since the exponent is positive, the decimal moves to the right, and we add zeros where there are no more digits.

In practice, you take 7.66 and shift the decimal point six places to the right: 7,660,000. Hence, 7.66 x 106 km2 in standard form is 7,660,000 km2.

Answer:

3. 9.2 mL; 4. 0.25 mL

Step-by-step explanation:

3. 12 mL syringe

The arrow points to the first division between 9 mL and 10 mL.

There are five divisions, so

5 divisions = 1.0 mL or

 1 division = 0.2 mL

The reading is  

9.0 mL + 0.2 mL = 9.2 mL

4. 0.5 mL syringe

The arrow points to the fifth division between 0.20 mL and 0.30 mL.

There are 10 divisions, so

10 divisions = 0.10 mL or

   1 division = 0.01 mL

 5 divisions = 0.05 mL

The reading is  

0.20 mL + 0.05 mL = 0.25 mL

Answer:

4

Step-by-step explanation:

i just had that question

The required simplified value of the x is 4. Option C is correct.

Given that,
f(x) = 12 and f(x) = 3x to determine the value of the x,

The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.

Here,
f(x) = 12
f(x) = 3x

Equating the above 2 equations,
12 = 3x
3x = 12
x = 12 / 3
x = 4

Thus, the required simplified value of the x is 4. Option C is correct.

Learn more about simplification here: https://brainly.com/question/12501526

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The greatest common factor of 19 and 18 is 1 since 19 is a prime number and has no other factors that divide 18.

The greatest common factor (GCF) of two numbers is the largest number that divides both of them without leaving a remainder. To find the GCF of 19 and 18, we need to determine the factors of both numbers. Since 19 is a prime number, its only factors are 1 and itself (19).

The factors of 18 are 1, 2, 3, 6, 9, and 18. The common factors of 19 and 18 are therefore just 1, as 19 has no other factors. Hence, the greatest common factor of 19 and 18 is 1.

Answer:

C

Step-by-step explanation:just took test

Answer:

Step-by-step explanation:

d. 24

0.000006 is 300 times greater than 0.00000002.

To find out how many times greater 0.000006 is than 0.00000002,

We need to divide 0.000006 by 0.00000002.

So, let's perform the calculation:

0.000006 ÷ 0.00000002 = 300

This means that 0.000006 is 300 times greater than 0.00000002.

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Answer:

11.34

hope it helps. :)

Answer:

-3w = 9

w = -3

yes, it is an identity